Daily NEET MCQ- August 11, 2022 - NEET MCQ

There are three types in which the waste is categorized, they are bio-degradable, recyclable, and non-biodegradable. The waste should be sorted before any further use or treatment.

The biodegradable waste includes any organic matter obtained from plants or animals that can be put into deep pits in the ground and be left for the natural breakdown. This breakdown can be done by micro-organisms and other living things by composting, aerobic digestion, anaerobic digestion using different enzymes to obtain essential food and nutrients.

Plastic waste contributes heavily to environmental pollution. It includes plastic that isn’t recycled and plastic takes centuries to degrade. This plastic may enter into water bodies and harm aquatic life.

Amytal, seconal and nembutal are examples of barbiturates or sleep-inducing drugs. These are hypnotic compounds barbituric acid and are important tranquilizers and components of sleeping pills. Chlordiazepoxide is a mild tranquilizer used only for relieving tension.

Low levels of noradrenaline in the body reduces the signal-sending activity of neurons and lead to depression. Citalopram, iproniazid and phenelzine are antidepressants that inhibit the catalysis of the degradation of noradrenaline and helps treat depression.

Analgesics are drugs that are used to relieve pain without causing disturbances within the nervous system. Aspirin and paracetamol are non-narcotic analgesics, whereas morphine is a narcotic analgesic.

Ionosphere is the uppermost layer of the earth’s atmosphere. The ionosphere has a very low density. The refractive index of the ionosphere is less than one.

Skywave propagation is useful for radiowaves of frequency from 2 MHz to 30 MHz. Frequencies that are higher than 30 MHz cannot be reflected by the ionosphere.

d = √2Rh.
d = √2 × 220 × 8 × 10⁶
d = 59329.58m ≈ 59330 m
d = 59.3 km.

The ozone layer stops ultraviolet radiation. It acts as a filter against the harmful Ultraviolet radiation from the sun from reaching the living being on earth, thereby protecting the life on earth. This is the significance of the ozone layer.